________ are volcanic mudflows
Fill in the blank(s) with correct word
Lahars
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Underlying all machines is
A. energy conservation. B. that power input always equals power output. C. that energy input always equals energy output. D. all of the above
The AIDS crisis in Sub-Saharan Africa has its highest prevalence in
A) West Africa (ex. Ghana, Ivory Coast) B) urban areas across the continent C) East Africa (Kenya, Tanzania) D) Southern Africa (South Africa, Malawi, Zambia) E) Central Africa (Congo, Rwanda, Burundi)
The removal of existing dams is motivated by
A) the need for more urban drinking water. B) the need for more irrigation water. C) restoration of scenic beauty of rivers and fisheries. D) the need for more hydroelectric power stations.
Which of the following is most closely identified with multispectral remote sensing?
A) Radar imaging B) Color infrared photography C) Landsat D) Microwave imaging E) Thermal infrared scanning